奇可力种子油超临界CO2萃取及GC-MS分析

食品科学 ›› 2006, Vol. 27 ›› Issue (12): 459-463.

奇可力种子油超临界CO2萃取及GC-MS分析

任保国，昌友权，郑鸿雁

吉林工程技术师范学院生物与食品工程系；吉林农业大学食品工程学院

出版日期:2006-12-15 发布日期:2011-11-23

Study on Seed Oil from Chicory by Supercrical CO2 Extraction and GC-MS Analysis

REN Bao-guo1,CHANG You-quan1,ZHENG Hong-yan

1.Jilin Teacher’s Institute of Engineering and Techology, Changchun 130052, China; 2.Food Engineering College of Jilin Agricultural University, Changchun 130118, China

Online:2006-12-15 Published:2011-11-23

摘要/Abstract

摘要： 本文以超临界CO2(SC-CO2)流体萃取技术从奇可力种子中萃取脂肪油,探讨萃取温度、萃取压力、萃取时间以及夹带剂等因素对萃取收率的影响,确定了最佳萃取工艺条件为:萃取温度45℃、萃取压力35MPa、分离I压力7.0MPa,分离I温度45℃,分离Ⅱ压力6MPa,分离Ⅱ温度40℃,萃取时间3h,与传统的溶剂萃取相比,萃取时间大大缩短,可避免不饱和脂肪酸的氧化降解,产品品质优良。经GC-MS分析,奇可力脂肪有油的主要成分为:月桂酸、豆蔻酸、棕榈酸、硬脂酸、油酸、亚油酸、花生四烯酸、γ-亚麻酸和芥酸等。γ-亚麻酸在分离I和分离Ⅱ脂肪油中的含量分别为38%和3.41%,相差较大。这证明该超临界流体萃取工艺实现了对γ-亚麻酸的萃取、分离和富集。

关键词: 超临界CO2萃取, 奇可力, 脂肪酸, GC-MS

Abstract: To study influence of temperature, pressure, time, co-solvent solution on extraction rate of recovery, fatty oil was extracted from Chicory seed by the supercritical CO2 extraction. The optimal approach has been identified with the extraction temperature 45℃, the pressure 35MPa, the isolated pressure I 7.0MPa, the isolated temperature I 45℃, the isolated pressure Ⅱ 6MPa, the isolated temperature Ⅱ 40℃ and extraction time 3 hours. Compared to the traditional solvent extraction approach, the time was shorter and result in avoiding degradation of unsaturated fatty acid. So, the better qualified product was obtained. According to GC-MS analysis, the main components of Chicory fatty acid is lauric acid, cardamom acid, plamitic acid, stearic acid, oleic acid, linoleic acid, arachidonic acid, γ-linolenic acid and sinapic acid. γ-linolenic acid takes 38% and 3.41% which shows significant difference in isolated I and isolated Ⅱ fatty acid respectively. It has been suggested that supercritical CO2 extraction approach is qualified for extraction, isolation, and collection of γ-linolenic acid.

Key words: , supercritical CO2:Chicory； fatty acids； GC-MS；

任保国，昌友权，郑鸿雁. 奇可力种子油超临界CO2萃取及GC-MS分析[J]. 食品科学, 2006, 27(12): 459-463.

REN Bao-guo1,CHANG You-quan1,ZHENG Hong-yan. Study on Seed Oil from Chicory by Supercrical CO2 Extraction and GC-MS Analysis[J]. FOOD SCIENCE, 2006, 27(12): 459-463.

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